NCGR-Corvallis Pyrus Catalog

Ornamental Genotypes

Note: Scions cannot be certified free of Erwinia amylovora

Follow links to the Germplasm Resources Information Network (GRIN) for additional accession information.
Catalog last updated: 01 May 2013

NCGR-Corvallis Distribution Policies

Traits listed are intended for preliminary subgrouping of accessions. Traits are from germplasm release notices, published reports, or observations made at NCGR-Corvallis.

• Aristocrat (P. calleryana) = PI 541108 (2189.001) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection from seedlot F. Meyer collected in China
  - Virus Biological Assays - Negative: MM-1997 NP-1989 PV-1990
  - Traits: FIRE BLIGHT SUSCEPTIBLE, ORNAMENTAL
• Autumn Blaze (P. calleryana) = PI 541075 (1439.001) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection from seed collected in China by Reimer
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: Bosc-1988 M.micromalus-1997 N.Poiteau-1987 Pyronia-1991
  - Traits: FIRE BLIGHT RESISTANT, EARLY BLOOM, ORNAMENTAL, MILDEW RESISTANT, LOW CHILL, DIPLOID (flow cytometry)
• Avery Park (P. calleryana) - upright = PI 541109 (2190.001) - Pyrus calleryana Decne.
  - Pedigree: P. calleryana seedling selection
  - Virus Biological Assays - Negative: MM-1997 NP-1989 PV-1989
  - Traits: ORNAMENTAL, LOW CHILL
• Bradford (P. calleryana) = PI 617646 (2577.001) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection from seedlot PI 47261
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1996 NP-1996 PV-1996
  - Traits: ORNAMENTAL, MILDEW RESISTANT, LOW CHILL, DIPLOID (flow cytometry)
• C.P. 6-48 = PI 541106 (2187.001) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection
  - Virus Biological Assays - Negative: MM-2001 NP-1989 PV-1989
  - Traits: EARLY BLOOM, ORNAMENTAL, LOW CHILL
• Capital (P. calleryana) = PI 541013 (662.001) - Pyrus calleryana Decne.
  - Pedigree: OP seedling selection of cultivar Bradford
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987, Uncertain: M.micromalus-2003
  - Traits: ORNAMENTAL, DIPLOID (flow cytometry), Potential Anjou Pollenizer
• Chanticleer (P. calleryana) = PI 541105 (2186.001) - Pyrus calleryana Decne.
  - Virus Biological Assays - Negative: MM-1997 NP-1989 PV-1991
  - Traits: FIRE BLIGHT RESISTANT, ORNAMENTAL, LOW CHILL, DIPLOID (flow cytometry), DNA STANDARD
• Cleveland Select (P. calleryana) = PI 617533 (2330.001) - Pyrus calleryana Decne.
  - Pedigree: Probably a selection from a street tree in Cleveland, OH
  - Virus Biological Assays - Negative: NP-1995 PV-1991
  - Traits: ORNAMENTAL, LOW CHILL
• Grant St. Yellow (P. calleryana) = PI 541107 (2188.001) - Pyrus calleryana Decne.
  - Pedigree: P. calleryana sdlg.selected on Grant St. by M.N. Westwood
  - Virus Biological Assays - Negative: MM-1997 NP-1989 PV-1989
  - Traits: ORNAMENTAL, LOW CHILL
• O.P. seedling of PI 256000 = CIGC 42 (42.002) - ×Sorbopyrus sp.
  - Pedigree: X Sorbopyrus auricularis O.P.
  - Traits: ORNAMENTAL
• Ooharabeni = PI 617674 (2619.001) - Pyrus hybrid
  - Pedigree: Originally thought to be hybrid of Okusankichi and Max Red Bartlett.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-2003
  - Traits: ORNAMENTAL, SCAB RESISTANT
• P. betulifolia = PI 540947 (647.002) - VIRUS INFECTED
  - Pedigree: Collected from the wild in China
  - Virus Biological Assays - Positive: PV-1990, Negative: NP-1990
  - Traits: ORNAMENTAL POTENTIAL
• P. betulifolia = PI 540942 (649.001)
  - Pedigree: Probably a seedling selection from Chinese seedlot
  - Virus Lab Assays - Negative: PBCVd-2000 PNRSV-1990
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2002 N.Poiteau-1985 Pyronia-1988
  - Traits: ORNAMENTAL POTENTIAL, MILDEW RESISTANT, NICE GLOSSY LEAVES, DIPLOID (flow cytometry)
• P. betulifolia = PI 540948 (651.001)
  - Pedigree: Seedling selection from seed collected in Japan
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1983 Pyronia-1985
  - Traits: ORNAMENTAL POTENTIAL
• P. betulifolia = PI 540979 (1312.003)
  - Pedigree: Seedling selection from seed collected from North China
  - Virus Biological Assays - Negative: NP-1992 PV-1990
  - Traits: ORNAMENTAL
• P. calleryana f. graciliflora Morton Arboretum O.P. = PI 541113 (1022.001)
  - Pedigree: Open pollinated from botanical collection
  - Traits: ORNAMENTAL
• P. calleryana f. graciliflora Morton Arboretum O.P. = PI 541113 (1022.002)
  - Pedigree: Open pollinated from botanical collection
  - Traits: ORNAMENTAL
• P. communis ssp. caucasica - Caucasus Mts. Russia = PI 324038 (2045.001)
  - Pedigree: Seedling selection from seedlot collected in Russia
  - Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1989
  - Traits: ORNAMENTAL v upright
• P. communis ssp. caucasica - Gofitskoye = PI 440631 (694.001)
  - Pedigree: Seedling selection from seedlot collected in Russia.
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1987
  - Traits: ORNAMENTAL POTENTIAL
• P. communis ssp. caucasica - Gofitskoye = PI 440631 (695.001)
  - Pedigree: Seedling selection from seedlot collected in Russia.
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
  - Traits: ORNAMENTAL POTENTIAL
• P. cordata - France = PI 541580 (750.001)
  - Pedigree: Seedling selection from seedlot collected wild in France
  - Virus Biological Assays - Negative: N.Poiteau-1990 P.Crassane-1983
  - Traits: ORNAMENTAL POTENTIAL
• P. dimorphophylla = PI 541603 (1296.001)
  - Pedigree: Probably a seedling selection from seed collected in Japan
  - Virus Biological Assays - Negative: N.Poiteau-1990 P.Crassane-1985 Pyronia-1987
  - Traits: ORNAMENTAL POTENTIAL
• P. dimorphophylla = PI 541608 (1400.001)
  - Pedigree: Seedling selection C from seed collected in Japan
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1985
  - Traits: ORNAMENTAL POTENTIAL
• P. dimorphophylla = PI 541609 (1457.001) - VIRUS INFECTED
  - Pedigree: Seedling selection B from seed collected in Japan
  - Virus Lab Assays - Negative: PNRSV-1990
  - Virus Biological Assays - Positive: N.Poiteau-1985 Vein Yellows-1985
  - Traits: ORNAMENTAL POTENTIAL, LOW CHILL
• P. dimorphophylla - Japan = PI 325930 (1190.001)
  - Pedigree: Seedling selection from wild Japanese seedlot CPYR 942
  - Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1989
  - Traits: ORNAMENTAL POTENTIAL
• P. dimorphophylla - Japan = PI 325930 (1389.001)
  - Pedigree: Seedling selection from wild Japanese seedlot CPYR 942
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
  - Traits: ORNAMENTAL POTENTIAL
• P. elaeagrifolia 'Turkish Mist' = PI 541616 (1278.001)
  - Pedigree: Seedling selection from seed collected in Turkey
  - Virus Biological Assays - Negative: N.Poiteau-2001 Pyronia-1998
  - Traits: ORNAMENTAL
• P. elaeagrifolia WB-4 - Turkey = PI 541615 (770.001)
  - Pedigree: Seedling selection from seed collected in Turkey
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1988, Uncertain: B13-1983
  - Traits: FIRE BLIGHT RESISTANT, ORNAMENTAL
• P. nivalis (hybrid) - Yugoslavia - compact habit = PI 541745 (866.001)
  - Pedigree: Seedling selection from seedlot collected in Yugoslavia
  - Virus Biological Assays - Negative: Pyronia-1987, Uncertain: N.Poiteau-2003
  - Traits: COMPACT HABIT, ORNAMENTAL
• Pendula = PI 541951 (893.001) - Pyrus salicifolia Pallas - VIRUS INFECTED
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: N.Poiteau-1985, Negative: M.micromalus-2003
  - Traits: ORNAMENTAL, DIPLOID (flow cytometry), DNA Standard
• Redspire (P. calleryana) = PI 541104 (2185.001) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection from cultivar Bradford
  - Virus Biological Assays - Negative: MM-1997 NP-1989 PV-1989
  - Traits: RED SKIN, ORNAMENTAL, LOW CHILL
• Whitehouse (P. calleryana) = PI 420995 (664.001) - Pyrus calleryana Decne.
  - Pedigree: OP seedling selection of cultivar 'Bradford'
  - Virus Biological Assays - Negative: M.micromalus-2001 N.Poiteau-1988 P.Crassane-1985 Pyronia-1987
  - Traits: FIRE BLIGHT SUSCEPTIBLE, ORNAMENTAL, LOW CHILL